Robert J. Challenger, M.D.
NPI 1710996962ActiveIndividual· Urology· Wheaton, IL
Urology (M.D.) in Wheaton, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $657,808 for 2,386 claims, against $329,486 paid for services in 2024. Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $893.64 in all, mostly food and beverage.
Overview
| NPI | 1710996962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Jul 12, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 036-091376 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 877 |
|---|---|
| Services billed | 8,749 across 78 procedure codes |
| Paid by Medicare | $329,486 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,386 · 5,908 30-day fills |
|---|---|
| Patients | 607 |
| Total drug cost | $657,808 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Uropartners LLCHinsdale, IL · 138 clinicians
Hospital affiliations
- Elmhurst Memorial HospitalElmhurst, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Marianjoy Rehabilitation CenterInpatient rehabilitation facility · Wheaton, IL
Industry payments (Open Payments)
- 2025$893.64 · 35 payments from 16 companies
- 2024$575.59 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $188.34 | 5 |
| Progenics Pharmaceuticals, Inc. | $140.07 | 6 |
| Dendreon Pharmaceuticals LLC | $91.03 | 3 |
| Verity Pharmaceuticals Inc. | $69.19 | 3 |
| Coloplast Corp | $66.75 | 2 |
What the 2025 payments were for
- Food and Beverage$893.64 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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